OCR GCSE Computer Science - 1.2 - Memory

Front

This is volatile storage: RAM, Secondary Storage, ROM, Hard Disk

Back

RAM

Front

This contains the BIOS (Boot-up program) (3-4)

Back

ROM

Front

You can write data more than once to this device (1-3): DVD+R, CD ROM, ROM, RAM

Back

RAM

Front

Which statement is true? (1-3) Options: ROM contains the operating system, RAM is part of the hard disk, RAM stores programs / data used by the CPU, ROM is volatile

Back

RAM stores programs / data used by the CPU

Front

A gaming computer is “thrashing” the disk. Why?

Back

The processor is short of RAM.

Front

Which statement is true? (1-3) Options: ROM is non volatile, RAM has a slow access time relative to other storage devices, RAM holds the BIOS, RAM can be Static (SRAM) or Dynamic (DRAM)

Back

RAM can be Static (SRAM) or Dynamic (DRAM)

Front

What is firmware?

Back

A program in ROM

Front

What is the difference between SRAM and DRAM?

Back

DRAM needs its data to be refreshed otherwise it loses it.

Front

What is the fastest data storage in a computer? (6-9) Options: Registers, RAM, ROM, HDD

Back

Registers

Front

How does data/instructions move between the CPU and RAM? Options: Address Bus, Address and Data Buses, ROM

Back

Address and Data Buses